參數(shù)資料
型號(hào): UCC1946DTR
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Very low drop voltage regulators with inhibit
中文描述: 工業(yè)控制IC
文件頁(yè)數(shù): 2/6頁(yè)
文件大小: 156K
代理商: UCC1946DTR
2
UCC1946
UCC2946
UCC3946
ELECTRICAL CHARACTERISTICS:
Unless otherwise specified, VDD = 2.1V to 5.5V for UCC1946 and UCC2946;
VDD = 2V to 5.5V for UCC3946; TA = 0°C to 70°C for UCC3946, –40°C to 85°C for UCC2946, and –55°C to 125°C for UCC1946;
T
A
= T
J
PARAMETERS
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
UCC3946
UCC1946 & UCC2946
2.1
12
Operating Voltage
Supply Current
Minimum VDD
Reset Section
Reset Threshold
Threshold Hysteresis
Input Leakage
Output High Voltage
2.0
5.5
18
1
5.5
18
1.1
V
μ
A
V
10
(Note 1)
VDD Rising
1.210
1.235
15
1.260
1.170
1.235
15
1.260
V
mV
nA
V
5
5
I
SOURCE
= 2mA
V
DD
0.3
V
DD
0.3
Output Low Voltage
I
SINK
= 2mA
VDD = 1V, I
SINK
= 20uA
VDD = -1mV/
μ
s (Note 2)
C
RES
= 64nF
0.1
0.2
0.1
0.4
V
V
μ
s
ms
VDD to Output Delay
Reset Period
Watchdog Section
WDI Input High
120
200
120
200
160
260
140
320
0.7·
V
DD
0.7·
V
DD
V
WDI Input Low
0.3·
V
DD
2.08
0.3·
V
DD
2.56
V
Watchdog Period
Watchdog Pulse Width
Output High Voltage
C
WD
= 64nF
1.12
50
V
DD
0.3
1.60
0.96
50
V
DD
0.3
1.60
s
ns
V
I
SOURCE
= 2mA
Output Low Voltage
Note 1: This is the minimum supply voltage where RES is considered valid.
Note 2: Guaranteed by design. Not 100% tested in production.
I
SINK
= 2mA
0.1
0.1
V
ABSOLUTE MAXIMUM RATINGS
V
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10V
Storage Temperature . . . . . . . . . . . . . . . . . . . –65°C to +150°C
Junction Temperature. . . . . . . . . . . . . . . . . . . –55°C to +150°C
Lead Temperature (Soldering, 10 sec.). . . . . . . . . . . . . +300°C
Currents are positive into, negative out of the specified terminal.
Consult Packaging Section of the Databook for thermal limita-
tions and considerations of packages.
WP
WDI
VDD
WDO
1
2
3
4
8
7
6
5
RTH
GND
RES
RP
SOIC-8, TSSOP-8, DIL-8 (Top View)
D, PW, N or J Package
CONNECTION DIAGRAM
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